Re: Adding support for LZIP to dpkg, using that instead of xz, archive wide
On Thu, Jul 30, 2015 at 6:28 AM, Antonio Diaz Diaz <antonio@gnu.org> wrote:
> Nicholas Breen wrote:
>>>
>>> If there is just the excrement of a fly adhered to a corner of the
>>> envelope (a null byte appended to an otherwise intact file, for
>>> example), xz will report that the data is corrupt and will not
>>> deliver the message. This test is inescapable.
>>
>> ^^^^^^^^^^^^^^^^^^^^^^^^
>>
>>> From xz(1):
>>
>> --single-stream
>> Decompress only the first .xz stream, and silently ignore
>> pos-
>> sible remaining input data following the stream.
>
>
> Just try this command:
>
> xz -d --single-stream file_with_many_streams_and_null_byte.xz
>
> Xz decompresses the first stream in the file, then deletes the file, and
> finally exits with 0 status.
>
> I was wrong. In some cases the "Compressed data is corrupt" message can be
> silenced... at the cost of silent massive data loss.
http://linux.die.net/man/1/xz
-k, --keep
Keep (don't delete) the input files.
Regards,
--
Robert Nelson
https://rcn-ee.com/
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